Across
- 2. the biggest planet
- 4. this equals 1 "year"
- 5. another way to say orbit
- 9. the windiest planet
- 10. the solar system revolves around this
- 12. this separates the inner planets from the outer planets
- 15. the smallest planet
- 16. the red planet, named after the Roman god of war
Down
- 1. has rings made of ice and dust
- 3. what each planet does that equals 1 "day"
- 6. the hottest planet, closest in size to earth
- 7. a dwarf planet, the biggest object in the Kuiper belt
- 8. the biggest asteroid in the asteroid belt
- 11. rotates on it's side
- 13. the planet we live on
- 14. Saturn's moon that has liquid on it